- 1. The environmental effectiveness of humate reagent in internal and external hydro-filling of quarries
- (Content №3 2024)
- ... after massive explosions and types of hydro-fillings and concentrations of humate reagent. Findings. The paper presents the results of pilot tests of the effectiveness of applying the humate reagent ...
- Created on 28 June 2024
- 2. Integrated water resources monitoring system within the structure of environmental safety in southern Ukraine
- (Content №3 2024)
- ... and soil structures were performed in the field, followed by the determination of background concentrations of pollutants. Originality. During field and laboratory studies, applied tools for regulating ...
- Created on 28 June 2024
- 3. Endurance calculation of welded joints in tubbing erector mechanism using digital methods
- (Content №3 2024)
- ... concentration points. To assess the endurance of the joints, semi-empirical calculation methods are used, in particular, Hot Spot Stress and Effective Notch Stress, followed by a comparative analysis of ...
- Created on 28 June 2024
- 4. CFD-modeling of critical deviations of combustion processes in pulverized coal boilers. Part 1. Construction of the TPP-210A boiler calculation model
- (Content №2 2024)
- ... of a high-concentration dust pipe under rarefaction to the central air channel. For the first time, the distribution of thermal resistances has been applied as boundary conditions on the walls of the fuel ...
- Created on 01 May 2024
- 5. Assessment of the influence of the surface layer of coals on gas-dynamic phenomena in the coal seam
- (Content №2 2024)
- ... coal on the adhesion energy, which determines the stress-strain state of the coal seam. Physical methods for studying the decomposition temperature of methane-bearing coal seams, changes in its concentration, ...
- Created on 01 May 2024
- 6. Enhancement of sorption of the azoic dye (Azucryl Red) by natural and calcined hyper-aluminous kaolins
- (Content №1 2024)
- ... (France) in natural and calcined states. Methodology. Batch interactive parameter pH, pHpzc contact time, dye concentration, adsorbent loading and temperature are taken to obtain optimums for the AR ...
- Created on 29 February 2024
- 7. Improvement of the methodology for calculating the expected drilling speed with PDC chisels
- (Content №1 2024)
- ... and Technical Sciences, 1(421), 79-86. 28. Togizov, K., Muratkhanov, D., & Aksholakov, Y. (2020). Rare-earth element concentration conditions in the rare-metal deposits of the Karakamys ore district. ...
- Created on 29 February 2024
- 8. Methodology of creation and development of information systems for technological safety of mining facilities
- (Content №6 2023)
- ... model for finding the number of sensors required for probabilistic assessment of the concentration gradients of hazardous gases. Methodology. General and special methods of knowledge are used: structural ...
- Created on 23 December 2023
- 9. Recycling of barite ore tailings into porcelain: microstructure and dielectric properties
- (Content №6 2023)
- ... of environmentally friendly insulators. Keywords: concentration tailings, Boucaid mine, barite rejects, microstructure, dielectric properties References. 1. Bouabdallah, S., Chaib, A., Bounouala, ...
- Created on 23 December 2023
- 10. Managing the process of underground coal gasification
- (Content №6 2023)
- ... account the concentration of each combustible gas and its calorific value. Findings. The underground gasifier efficiency when changing the method of supplying the air mixture has been substantiated. ...
- Created on 23 December 2023
- 11. Use of backscattering ultrasound parameters for iron ore varieties recognition
- (Content №6 2023)
- ... of the received echo signals and quantifying their parameters. The amplitude of the echo signal and its spectral properties depends on the size and concentration of the scatterers, i.e., the structural ...
- Created on 23 December 2023
- 12. Research on an eco-safe filtration plant for wastewater treatment made of natural raw materials
- (Content №5 2023)
- ... modeling of hydrodynamics of mixing treated wastewater in bioponds to predict removal of residual concentrations from the filter. Methodology. A complex of modern methods of theoretical and experimental ...
- Created on 27 October 2023
- 13. Radionuclide content in vegetation and soils in the impact zone of the railway track
- (Content №5 2023)
- ... of plantations on the contaminants’ airborne transport rate. Practical value. Taking into account the fact that the concentration of radionuclides in plants and soil decreases away from the railway tracks, ...
- Created on 27 October 2023
- 14. Combustion and detonation of paste fuel of rocket engine
- (Content №5 2023)
- ... it possible to improve the design of the engine on paste fuel and to modernize the stand for its tests. Keywords: critical detonation diameter, binder concentration, filler, paste rocket fuel, ammonium ...
- Created on 27 October 2023
- 15. Geophysical indicators of rare-metal ore content of Akmai-Katpar ore zone (Central Kazakhstan)
- (Content №5 2023)
- ... 7. Togizov, K., Muratkhanov, D., & Aksholakov, Y. (2020). Rare element concentration conditions in the rare-metal deposits of the Karakamys ore district. Science and Technologies in Geology, Exploration ...
- Created on 27 October 2023
- 16. Predicted resource assessment of Central Kazakhsta ore districts based on airborne geophysical methods
- (Content №5 2023)
- ... D., & Aksholakov, Y. (2020). Rare-earth element concentration conditions in the rare-metal deposits of the Karakamys ore district. Science and Technologies in Geology, Exploration and Mining, 271-278. ...
- Created on 27 October 2023
- 17. Impact of digital transformation on business structures
- (Content №4 2023)
- ... in the countries of the European Union was conducted, and conclusions were drawn that the concentration of resources and the development of common standards will help to overcome the lag. Business structures ...
- Created on 28 August 2023
- 18. Soil contamination status using contamination indicators and the health risk
- (Content №4 2023)
- ... modeling was carried out in a field tour in November for each region in depth, the concentrations of heavy elements approved in the current study (manganese, copper, cadmium, mercury) using the atomic ...
- Created on 28 August 2023
- 19. Application of the stereomicrophotogrammetric method for the complex study of the Al-Cu-Mg alloys system
- (Content №4 2023)
- ... 6. Ivanov, R., Deschamps, A., & De Geuser, F. (2018b). High throughput evaluation of the effect of Mg concentration on natural ageing of Al-Cu-Li-(Mg) alloys. Scripta Materialia, 150, 156-159. https://doi.org/10.1016/j.scriptamat.2018.03.024. ...
- Created on 28 August 2023
- 20. Selection and justification of drilling and blasting parameters using genetic algorithms
- (Content №4 2023)
- ... 23. Stanina, O. D. (2015). On some mathematical models of facility location problems of mining and concentration industry, (pp. 419-424). Balkema – London: CRC Press, Taylor & Francis Group. 24. ...
- Created on 28 August 2023